/// <summary>
/// Unloads all textures. Take caution as it may cause serious damage.
/// </summary>
public void Clear()
{
for (int i = 0; i < textures.Count; i++)
{
TextureManagerItem it = GetTexture(i);
if (it != null)
{
it.Texture.Dispose();
textures[i] = null;
}
}
textures.Clear();
}
/// <summary>
/// Returns the index of specified texture.
/// </summary>
/// <param name="FileName">Path to texture file. If not loaded yet, loads the texture.</param>
/// <returns>Index of texture</returns>
public int AddTexture(string FileName)
{
int idx = -1;
for (int i = 0; i < textures.Count; i++)
{
if (textures[i] != null)
{
if (((TextureManagerItem)textures[i]).Filename == FileName) // nalezen
{
idx = i;
break;
}
}
}
if (idx == -1) // nenalezen, zalozime
{
TextureManagerItem it = new TextureManagerItem(FileName);
if (it != null)
{
if (unloadedTextures.Count == 0)
{
// pridame na konec
textures.Add(it);
idx = textures.Count - 1;
}
else
{
// zalozime na predchozim pouzitem miste
textures[(int)unloadedTextures.Peek()] = it;
idx = (int)unloadedTextures.Pop();
}
}
}
if (idx != -1)
{
GetTexture(idx).NewUser();
}
return(idx);
}